From d7128a534435161910ce5865db60c7874091df74 Mon Sep 17 00:00:00 2001
From: Reino Ruusu <reino.ruusu@semantum.fi>
Date: Tue, 21 Apr 2020 18:29:01 +0300
Subject: [PATCH] Avoid extra write transactions when opening Plant3D editor

gitlab #122

Change-Id: I2e20e8e460a3d7e8d4b0fb786d77166fb8c9dbd5
---
 .../plant3d/editor/Plant3DEditor.java         | 58 +++++++++++--------
 1 file changed, 34 insertions(+), 24 deletions(-)

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/editor/Plant3DEditor.java b/org.simantics.plant3d/src/org/simantics/plant3d/editor/Plant3DEditor.java
index af7a67f5..b4448e67 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/editor/Plant3DEditor.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/editor/Plant3DEditor.java
@@ -304,36 +304,46 @@ public class Plant3DEditor extends ResourceEditorPart {
 			
 			@Override
 			public void run() {
+				nodeMap.setChangeTracking(false);
 				nodeMap.populate();
+				nodeMap.setChangeTracking(true);
 				panel.addListener(new RenderListener() {
-                    
-                    @Override
-                    public void preRender() {
-                   
-                    }
-                    
-                    @Override
-                    public void postRender() {
-                        panel.removeListener(this);
-                        
-                        try {
-                            P3DUtil.finalizeDBLoad2(rootNode);
-                            if (nodeMap.isRangeModified());
-                                nodeMap.commit("Load sync");
-                        } catch (Exception e) {
-                            ExceptionUtils.logAndShowError("Failed to load model correctly", e);
-                        }
-        				
-        				List<vtkProp3D> props = new ArrayList<>();
-        				collectProps(rootNode, props);
-        				fitToWindow(props);
-                    }
-                });
+
+					@Override
+					public void preRender() {
+
+					}
+
+					@Override
+					public void postRender() {
+						panel.removeListener(this);
+
+						try {
+							P3DUtil.finalizeDBLoad2(rootNode);
+							if (nodeMap.getMapping().isRangeModified())
+								nodeMap.commit("Load sync");
+						} catch (Exception e) {
+							ExceptionUtils.logAndShowError("Failed to load model correctly", e);
+						}
+						
+						onEditorInitializationComplete();
+						
+						List<vtkProp3D> props = new ArrayList<>();
+						collectProps(rootNode, props);
+						fitToWindow(props);
+					}
+				});
 			}
 		});
-		
+
 	}
 
+	/**
+	 * This can be overridden by clients to perform extra initialization tasks
+	 */
+	protected void onEditorInitializationComplete() {
+	}
+	
 	protected IMappingSchema<Resource, INode> getSchema(ReadGraph graph) throws DatabaseException {
 		IMappingSchema<Resource,INode> schema = SchemaBuilder.getSchema(graph);
 		return schema;
-- 
2.47.1